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A line has a slope of –5 and a y-intercept of 9. What is the equation of the line in standard form?

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3 answers

  1. Please answer!!

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  2. slope-intercept ... y = -5x + 9

    adding 5x ... 5x + y = 9

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  3. Most authors of textbooks label them as follows
    y = 6x -9 <----- y-intercept slope form
    3x + 5y = 2 <---- standard form
    6x - 2y + 7 = 0 <------ general form

    check which notation your text uses.
    You must practise to form one format into any of the other two.

    in your case, from the given, we can immediately say
    y = -5x + 9

    or

    5x + y = 9

    or 5x + y - 9 = 0

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